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RE: IR Extender... Revisited!
- To: <ukha_d@xxxxxxx>
- Subject: RE: IR Extender... Revisited!
- From: "James Hoye" <james.hoye@xxxxxxx>
- Date: Thu, 16 Aug 2001 15:25:52 +0100
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
> "Normal" handsets use a system of modulating (switching on
and off ) a
> carrier signal . The normal frequency of the carrier being in the
range of
> 35kHz to 60kHz..
>
> first to also provide an integrated cable modem within the box.) The
> handset data is transmitted as discrete pulses of IR - it is not
carrier
> based . The pulse rate is approximately 115kHz . The handsets have
Sounds relatively easy, just look 115,000 times a second for an IR
source.... Don't know whether the RS485? bus could handle that though...
Of course, I could be talking complete cr*p! I bet Keith knows though ;)
James H
For more information: http://www.automatedhome.co.uk
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